Added 1.0.0 to CHANGELOG
Added 1.0.0 to CHANGELOG

nicholasrq/react-virtualized,edulan/react-virtualized,cesarandreu/react-virtualized,bvaughn/react-virtualized,edulan/react-virtualized,cesarandreu/react-virtualized,bvaughn/react-virtualized,nicholasrq/react-virtualized